Victron energy - GEL Battery 12V/130Ah Deep Cycle12V 130Ah Gel Deep Cycle Batt. VRLA GEL: design life 12 years The AGM range has very low internal resistance making them particularly suitable for high current discharge applications such as for inverters, thrusters and winches as well as engine starting. The GEL model range offers best deep cycle durability and overall longer life. The use of high purity materials and lead calcium grids ensure that for both AGM and GEL products have particularly low